He married Jane Gamble, sister of James H. Gamble.
He probably immigrated to the US in the late 1840s. He was a merchant who in the 1860s went into partnership with Alexander MacAndrew; their offices were at 40 Broadway Street, NY. By 1872 he had become the Superintendent of the United States General Smelting and Mining Company. He then moved to Georgetown, Colorado. He lived for a while at Middleton, Staten Island, NY. He was quite wealthy and owned land in his native Ireland.
Eighth Census of the USA, Richmond County, Middleton, NY, 1860, p. 536; New York City Directory 1863-1869; Colorado Miner, Georgetown, CO, 16 October 1872, p. 4; Index to Griffith's Valuation of Ireland, 1848-1864.